New spin injection scheme based on spin gapless semiconductors: A first-principles studyG. Z. Xu, X. M. Zhang, Z. P. Hou, Y. Wang, E. K. Liu, X. K. Xi, S. G. Wang, W. Q. Wang, H. Z. Luo, W. H. Wang and G. H. WuEPL, 111 6 (2015) 68003DOI: https://doi.org/10.1209/0295-5075/111/68003